#include<stdio.h>
int main (int argc,char**argv){
    if (argc==3){
	char*srcfile=argv[1];
	char*dstfile=argv[2];
    FILE*fp1=fopen(srcfile,"r");
	if(fp1==0){
  	  printf("file not exist");
  	  return -1;
    } 
	FILE*fp2=fopen(dstfile,"w");
    while(1)
    {
    	char temp=fgetc(fp1);
    	if(feof(fp1))
    	  break; 
    	fputc(temp,fp2);
	}
	fclose(fp1);
	fclose(fp2);
}
return 0;
}
